MIL-DTL-38999 Circular Connectors
RUGGED
• Self-locking bayonet
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
coupling system
• 100% scoop proof
• 500-mating-cycle durability
• Excellent shock and
vibration resistance
• Environmentally sealed and
hermetic versions available
VERSATILE
• Available in 9 shell sizes
• Intermateable and interchangeable
with all other MIL-DTL-38999
Series I connectors
• Available in a variety of shell
materials and finishes
• Wide range of backshells
and accessories
EMI PROTECTED
• Grounding fingers for excellent
EMI protection
• Connector is grounded when
the shells meet, even before the
contacts are engaged
• Metal-to-metal bottoming to help
The DEUTSCH DJT Series connectors from TE Connectivity (TE)
are high-performance MIL-DTL-38999 Series I subminiature
circular connectors offering a scoop-proof design for easy,
reliable mating.
Available in 9 shell sizes and environmentally sealed and
hermetic versions, DEUTSCH DJT Series connectors feature
a self-locking bayonet coupling system. They are completely
intermateable and interchangeable with MIL-DTL-38999 Series I
connectors, and are available in a variety of shell materials
and finishes.
Designed for rugged reliability, DEUTSCH DJT Series connectors
are highly durable, capable of 500 mating cycles. They provide
excellent vibration, corrosion and shock resistance, and offer
excellent EMI protection and shielding effectiveness from
100 MHz to 10 GHz.
maximize EMI grounding protection
• EMI shielding effective up to 10 GHz
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 18
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Specifications
MATERIALS
•S
hell Material and Plating:
Aluminum, olive drab cadmium
Aluminum, electroless nickel
Carbon steel, electrodeposited nickel (hermetic only)
Stainless steel, passivated (hermetic only but can be available
commercially for standard environment configurations)
• Insert: Thermoplastic and fluorinated silicone elastomer
• EMI Spring Fingers: Nickel or cadmium-plated beryllium copper
• O-Ring: Fluorinated silicone elastomer
ENVIRONMENTAL
•T
emperature Range:
-65°C to +150°C Electrodeposited tin-plated carbon steel (Class D)
-65°C to +175°C – Cadmium finish (Class B)
-65°C to +200°C – Nickel finish (Class F) and stainless steel (Class E)
• Fluid Resistance: Fluid immersion per EIA 364.10, including resistance to
MIL-PRF-5606: Hydraulic fluid
MIL-DTL-83133: JP-8 aviation fuel
MIL-PRF-7808: Lubricating oil
MIL-PRF-23699: Lubricating oil
MIL-A-8243: Deicing/defrosting fluid
MIL-C-25769: Aircraft cleaning compound
MIL-PRF-87937: Aircraft cleaning compound
MIL-G-3056: Gasoline
• Salt Spray: 48 hours (Nickel finishes)
500 hours (Cadmium, black zinc nickel, nickel PTFE, and
passivated finishes)
• Thermal Cycling: -65° to 150/175/200°C (max. temperature is
class dependent)
MECHANICAL
• Sine Vibration: Up to 60 g for 36 hr.
• Random Vibration: Up to 41.7 g for 16 hr. at 175° C
Up to 50 g for 16 hr. at ambient temperature
• Shock: 300 g, 3 ms in the 3 axes
• Durability: 500 mating cycles
• Contact Retention:
Size 22D: 44 N (10 lb.)
Size 20: 67 N (15 lb.)
Size 16: 111 N (25 lb.)
Size 12: 111 N (25 lb.)
Size 10: 111 N (25 lb.)
Size 8: 111 N (25 lb.)
ELECTRICAL
•S
hell-to-Shell Conductivity: 1.0 mV (nickel finish)
2.5 mV (cadmium finish)
10.0 mV (passivated finish)
• Shielding Effectiveness: >90 dB at 100 MHz, >65 dB through 10 GHz
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 19
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Voltage Rating
Service
Rating
Suggested Operating Voltage
Test Voltage at Altitude (VAC rms)
VAC rms
VDC
Sea Level
50,000 Ft.
70,000 Ft.
100,000 Ft.
400
550
1300
550
350
200
N
300
450
1000
400
260
200
I
600
850
1800
600
400
200
II
750
1050
2300
800
500
200
M
Hermetic Connectors
• Hermetic Seal: Sintered glass
• Leakage: ≤16 cm3/hr. (0.97 in3/hr.) on mated pairs connected
under 2.1 bar (4.38 psi)
• Thermal Shock: 10 cycles, 4°C max. to 90°C min.
Current Rating
Contact Size
Test Current (A)
Voltage Drop (mV)
22D
5
73
20
7.5
55
16
13
50
12
23
42
10
33
34
8*
46
26
*When commercial power contact replaces twin-ax contact
Thread Sizes
Shell Size
Accessory Thread
(Class 2A)
Jam Nut Thread
(Class 2A)
9
.4375-28 UNEF
.6875-24 UNEF
11
.5625-24 UNEF
.8125-20 UNEF
13
.6875-24 UNEF
1.0000-20 UNEF
15
.8125-20 UNEF
1.1250-18 UNEF
17
.9375-20 UNEF
1.2500-18 UNEF
19
1.0625-18 UNEF
1.3750-18 UNEF
21
1.1875-18 UNEF
1.5000-18 UNEF
23
1.3125-18 UNEF
1.6250-18 UNEF
25
1.4375-18 UNEF
1.7500-18 UNS
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 20
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
Military Part Numbering System
MS27466 T 25 F 35 S D xxxx
MIL SPEC NUMBER/SHELL STYLE
MODIFICATIONS
MS27466 Front, Wall Mount
Receptacle (DJT10)
MS27467 Straight Plug with
EMI Fingers (DJT16)
MS27468 Jam Nut Receptacle
(DJT14)
MS27470 Jam Nut Hermetic
Receptacle (DJT14)
MS27471 Solder Mount Hermetic
Receptacle (DJT11)
MS27496 Front, Box Mount
Receptacle (DJT13)
MS27505 Rear, Box Mount
Receptacle (DJT12)
MS27656 Rear, Wall Mount
Receptacle (DJT19)
L/C Less Contacts
POLARIZING POSITIONS
N Normal (omit from part number)
A, B, C, D (B and C not available in
shell size 9)
CONTACTS
P 500-Cycle Pin
S 500-Cycle Socket
H 1500-Cycle Pin
J 1500-Cycle Socket
A Less Pin (with intent to use
nonstandard contacts)
B Less Socket (with intent to use
nonstandard contacts)
Hermetic Contacts
P Pin, Solder Cup
S Socket, Solder Cup
X Pin, Eyelet
Z Socket, Eyelet
C Pin, PC Tail
D Socket, PC Tail
CLASS
T With Accessory Thread (MS27466,
MS27467, M27468, M27656)
E Same As T, But Not Approved For
New Designs (E-Nut Not Included)
E No Accessory Thread, Box Mount
(M27496, M27505)
G Space-Grade Environment Resisting
YH
ermetically Sealed
INSERT ARRANGEMENT
See Insert Arrangement Tables,
pages 10-17 and 22-23
FINISH
B Olive Drab Cadmium
F Nickel
G Space Grade
D C arbon Steel, Electrodeposited
Tin Plating
E Stainless Steel, Passivated
SHELL SIZE
9, 11, 13, 15, 17, 19, 21, 23, 25
DEUTSCH Part Numbering System
DJT 1 0
F 25 - 35 S D xxxx
GENERAL IDENTIFIER
MODIFICATIONS
COUPLING SYSTEM
POLARIZING POSITIONS
DJT DEUTSCH MIL-DTL-38999 Series I
1 Bayonet
SHELL STYLE
0 Front, Wall Mount Receptacle (M27466)
6 Straight Plug with EMI Fingers (M27467)
4 Jam Nut Receptacle (M27468)
4 Jam Nut Hermetic Receptacle (MS27470)
1 Solder Mount Hermetic Receptacle (MS27471)
3 Front, Box Mount Receptacle (M27496)
2 Rear, Box Mount Receptacle (M27505)
9 Rear, Wall Mount Receptacle (M27656)
CLASS
E Olive Drab Cadmium
F Nickel
G Space Grade
H Hermetic
Z Black Zinc Nickel
6149 Less Contacts
N Normal
A, B, C, D (B and C not available in
shell size 9)
CONTACTS
P 500-Cycle Pin
S 500-Cycle Socket
H 1500-Cycle Pin
J 1500-Cycle Socket
A Less Pin (with intent to use
nonstandard contacts)
B Less Socket (with intent to use
nonstandard contacts)
Hermetic Contacts
P Pin, Solder Cup
S Socket, Solder Cup
X Pin, Eyelet
Z Socket, Eyelet
C Pin, PC Tail
D Socket, PC Tail
INSERT ARRANGEMENT
See Insert Arrangement Tables,
pages 10-17 and 22-23
SHELL SIZE
09, 11, 13, 15, 17, 19, 21, 23, 25
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 21
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Insert
Contact Size/Quantity
Inactive: Superseded by
4
4
4
4
Uses 38999/62-8* Boots
QPL Hermetic
4
4
4
7
09-35
6
09-98
3
11-02
2
11-04
4
11-05
5
11-35
13
11-98
6
11-99
7
13-04
4
13-08
8
13-35
22
13-98
10
15-05
5
15-15
1
15-18
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
14
18
15-19
19
15-26
2
24
15-35
37
15-97
4
8
17-02
1
38
17-03
1
38
17-06
6
17-08
17-11
2
1
8
4
17-20
11
4
2
17-24
17-03
4
4
4
8
17-19
17-22
QPL
22D
20
16
12
10
12 Coax
12 Twinax
8 Power
8 Coax
8 Twinax
DJT and Military
09-07
4
16
2
2
22
17-26
26
17-35
55
17-99
2
19-11
11
21
19-18
4
14
19-19
4
14
19-28
2
19-32
4
4
4
4
19-19
4
26
32
4
Blue shaded entries are not Mil Spec.
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 22
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Insert
Contact Size/Quantity
4
4
4
Inactive: Superseded by
79
16
2
Uses 38999/62-8* Boots
4
4
4
QPL Hermetic
QPL
66
11
21-16
21-20
22D
20
16
12
10
12 Coax
12 Twinax
8 Power
8 Coax
8 Twinax
DJT and Military
19-35
21-11
18
21-35
21-39
2
21-41
37
41
21-48
4
21-75
4
21-76
4
23-06
6
21-76
4
23-21
21
23-35
100
23-53
53
23-54
4
9
23-55
40
55
23-63
4
25-04
4
8
25-07
2
25-08
8
25-09
2
25-10
8
25-17
6
4
4
4
4
49
48
4
4
97
25-09
25-10
97
4
4
36
25-19
19
4
25-20
3
4
13
10
25-21
3
4
13
10
25-24
12
25-29
25-21
4
12
29
25-35
128
25-37
37
25-43
20
23
25-46
2
4
40
25-47
2
4
40
25-61
61
25-90
2
4
40
25-91
2
4
40
4
4
4
4
4
4
4
4
4
4
4
25-47
4
4
4
25-91
4
Blue shaded entries are not Mil Spec.
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 23
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Front Panel Mount Square Flange Receptacle
MASTER
POLARIZING
KEYWAY
J
ØE
32.08
[1.263]
MAX.
H
MAX.
3.18 [0.1250] MAX.
PANEL THICKNESS
1.52 [0.060] MAX.
PANEL PROTRUSION
ØF
B
A
ØC
BLUE BAND AND
BAYONET HEADS
Shell
Size
A ±0.51
(0.020)
B ±0.13
(0.005)
C ±0.08
(0.003)
E +0.25 ±
0.25/-0.13
(+0.010/-0.005)
F
G ±0.13
(0.005)
H
J +0.00 /
-0.13
(0.005)
09
23.83
0.938
18.26
0.719
14.48
0.570
3.25
0.128
13.11
0.516
3.25
0.128
2.54
0.100
16.05
0.623
11
26.19
1.031
20.62
0.812
17.73
0.698
3.25
0.128
16.87
0.664
3.25
0.128
2.54
0.100
16.05
0.623
13
28.58
1.125
23.01
0.906
21.54
0.848
3.25
0.128
19.05
0.750
3.25
0.128
2.54
0.100
16.05
0.623
15
30.96
1.219
24.61
0.969
24.71
0.973
3.25
0.128
23.01
0.906
3.25
0.128
2.54
0.100
16.05
0.623
17
33.32
1.312
26.97
1.062
27.89
1.098
3.25
0.128
25.81
1.016
3.25
0.128
2.54
0.100
16.05
0.623
19
36.53
1.438
29.36
1.156
30.61
1.205
3.25
0.128
28.98
1.141
3.25
0.128
2.54
0.100
16.05
0.623
21
39.67
1.562
31.75
1.250
33.78
1.330
3.25
0.128
32.16
1.266
3.25
0.128
3.30
0.130
15.29
0.602
23
42.88
1.688
34.93
1.375
36.96
1.455
3.73
0.147
34.98
1.377
3.91
0.154
3.30
0.130
15.29
0.602
25
46.02
1.812
38.10
1.500
40.13
1.580
3.73
0.147
37.69
1.484
3.91
0.154
3.30
0.130
15.29
0.602
Millimeters Inches
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 24
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Jam Nut Receptacle
31.12
[1.225]
MAX.
MASTER
POLARIZING
KEYWAY
ØA
1.52 [0.060] MAX.
PANEL PROTRUSION
B
Flat
Shell
Size
ØA
±0.41 (0.016)
B Flat
+.000 / -0.25 (0.010)
F
+.000 / -0.25 (0.010)
ØG
+.000 / -0.25 (0.010)
09
30.18
1.188
16.64
0.655
17.02
0.670
17.78
0.700
11
34.93
1.375
19.18
0.755
19.58
0.771
20.96
0.825
13
38.10
1.500
23.93
0.942
24.26
0.955
25.65
1.010
15
41.28
1.625
27.08
1.066
27.56
1.085
28.83
1.135
17
44.45
1.750
30.25
1.191
30.73
1.210
32.00
1.260
19
49.23
1.938
33.43
1.316
33.91
1.335
35.18
1.385
21
52.37
2.062
36.60
1.441
37.08
1.460
38.35
1.510
23
55.58
2.188
39.78
1.566
40.26
1.585
41.53
1.635
25
58.72
2.312
42.95
1.691
43.43
1.710
44.70
1.760
Millimeters Inches
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 25
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Rear Panel Wall Mount Square Flange Receptacle
34.19 [1.346]
MAX.
J
MASTER
POLARIZING
KEYWAY
Y°
H
4X ØE
MOUNTING HOLE
4X ØG
ØF
-A-
5°
4X B
2X A
4X B
ØC
RECOMMENDED PANEL CUTOUT
4X
CHAMFERED OR
ROUNDED
PART NUMBER
INDICATOR BAND (BLUE)
AND BAYONET HEADS
Shell
Size
A
B
C
±0.51
±0.13
±0.08
(0.020) (0.005) (0.003)
D THREADS
D THREAD
UNEF-2A
ØE
+0.25 -0.13
(+.010 -.005)
ØF
Min.
ØG
±0.13
(0.005)
H
+0.38 -0.00
(+.015 -.000)
J
+0.00 -0.13
(+.000 -.005)
09
23.83
0.938
18.26
0.719
14.48
0.570
11.11-28
0.4375-28
3.25
0.128
13.11
0.516
3.25
0.128
2.16
0.085
20.83
0.820
11
26.19
1.031
20.62
0.812
17.73
0.698
14.29-24
0.5625-24
3.25
0.128
16.87
0.664
3.25
0.128
2.16
0.085
20.83
0.820
13
28.58
1.125
23.01
0.906
21.54
0.848
17.46-24
0.6875-24
3.25
0.128
19.05
0.750
3.25
0.128
2.16
0.085
20.83
0.820
15
30.96
1.219
24.61
0.969
24.71
0.973
20.64-20
0.8125-20
3.25
0.128
23.01
0.906
3.25
0.128
2.16
0.085
20.83
0.820
17
33.32
1.312
26.97
1.062
27.89
1.098
23.81-20
0.9375-20
3.25
0.128
25.81
1.016
3.25
0.128
2.16
0.085
20.83
0.820
19
36.53
1.438
29.36
1.156
30.61
1.205
26.99-18
1.0625-18
3.25
0.128
28.98
1.141
3.25
0.128
2.16
0.085
20.83
0.820
21
39.67
1.562
31.75
1.250
33.78
1.330
30.16-18
1.1875-18
3.25
0.128
32.16
1.266
3.25
0.128
2.92
0.115
20.07
0.790
23
42.88
1.688
34.93
1.375
36.96
1.455
33.34-18
1.3125-18
3.73
0.147
34.98
1.377
3.91
0.154
2.92
0.115
20.07
0.790
25
46.02
1.812
38.10
1.500
40.13
1.580
36.51-18
1.4375-18
3.73
0.147
37.69
1.484
3.81
0.150
2.92
0.115
20.07
0.790
Millimeters Inches
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 26
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Plug
Type MS27467 / DEUTSCH DJT16
31.34
[1.234]
MAX.
MASTER
POLARIZING
KEY
1.52 [0.060] MAX.
PANEL PROTRUSION
RFI SPRING
ØA
MAX.
BLUE BAND
Shell
Size
A
09
21.82
.859
11
24.99
.984
13
29.36
1.156
15
32.54
1.281
17
35.71
1.406
19
38.51
1.516
21
41.68
1.641
23
44.86
1.766
25
48.03
1.891
Millimeters Inches
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 27
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
Same drawings for pages 43 and 56
DEUTSCH DJT Series Connectors
Recommended
PanelPanel
CutoutsCutouts
Recommended
C1
ØH
ØH1
C1
K
A
V1
V
Square Flange Receptacle
(Type 20)
Jam Nut Receptacle
(Type 24)
Drawings below are not needed
3.20
[0.126]
MAX.
3.18
[0.125]
MAX.
Recommended Panel Thickness
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 28
MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 Series I Connectors
DEUTSCH DJT Series Connectors
Keying Options
(Viewed from Mating Face of the Receptacle Connector)
C
D
N
A
B
Shell Size
Key Position (Degrees)
N
A
B
C
D
09
95
77
—
—
113
11
95
81
67
123
109
13
95
75
63
127
115
15
95
74
61
129
116
17
95
77
65
125
113
19
95
77
65
125
113
21
95
77
65
125
113
23
95
80
69
121
110
25
95
80
69
121
110
Degrees in table above are the distance between Datum E (that bisects first minor keyway)
and the center line of the master keyway
AEROSPACE, DEFENSE & MARINE /// MIL-DTL-38999 CIRCULAR CONNECTORS
PAGE 29
